﻿// THIS FILE IS PART OF SVG PROJECT
// THE SVG PROJECT IS AN OPENSOURCE LIBRARY LICENSED UNDER THE MS-PL License.
// COPYRIGHT (C) svg-net. ALL RIGHTS RESERVED.
// GITHUB: https://github.com/svg-net/SVG

using System;
using System.ComponentModel;
using System.Globalization;

namespace AntdUI.Svg.DataTypes
{
    public sealed class SvgOrientConverter : TypeConverter
    {
        public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
        {
            if (value == null)
            {
                return new SvgUnit(SvgUnitType.User, 0.0f);
            }

            if (!(value is string))
            {
                throw new ArgumentOutOfRangeException("value must be a string.");
            }

            switch (value.ToString())
            {
                case "auto":
                    return (new SvgOrient(true));
                default:
                    float fTmp = float.MinValue;
                    if (!float.TryParse(value.ToString(), out fTmp))
                        throw new ArgumentOutOfRangeException("value must be a valid float.");
                    return (new SvgOrient(fTmp));
            }
        }

        public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType)
        {
            if (sourceType == typeof(string))
            {
                return true;
            }

            return base.CanConvertFrom(context, sourceType);
        }

        public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType)
        {
            if (destinationType == typeof(string))
            {
                return true;
            }

            return base.CanConvertTo(context, destinationType);
        }

        public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
        {
            return base.ConvertTo(context, culture, value, destinationType);
        }
    }
}